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Constitutive relationship of IN690 superalloy by using uniaxial compression tests
Rare Metals, 2011The hot deformation behavior of IN690 superalloy was characterized in a temperature range of 1273–1473 K and a strain rate range of 0.01–10 s−1 using uniaxial compression tests on process annealed material. The constitutive relations between flow stress and effective strain, effective strain rate as well as deformation temperature were studied.
Chaoyang Sun +4 more
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Critical Condition of Dynamic Recrystallization of IN690 Using Strain Hardening Rate
Applied Mechanics and Materials, 2011It had been studied that thermal deformation properties of super-alloy Inconel690(IN690) by thermal simulation on Gleeble 3800 Simulator, which the ranges of temperature was 1000～1200°Cand strain rates was 1.0～80/s. According to the experiment data, the critical conditions of super-alloy Inconel690 had been researched by strain hardening rate.
Zhong Tang Wang +3 more
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Constitutive model of supper-alloy IN690 based on extrusion test
AIP Conference Proceedings, 2013The constitutive model of material is an important foundation theory of simulation and tool design for metal forming technology. Precision and speed of simulation is influenced by the veracity and modality of constitutive model of material. The constitutive model of super-alloy Inconel 690(IN690) had been established based on extruding test which used ...
Zhongtang Wang +3 more
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A simulation study on deformation behavior of IN690 superalloy tube during hot extrusion process
International Conference on Advanced Technology of Design and Manufacture (ATDM 2011), 2011Based on the results of isothermal compression test of IN690 super alloy for constitutive relationship and ring compression test for interface friction factor, a finite element model for Ni-based super alloy IN690 tube during hot extrusion process is established by using DEFORM-2D. High temperature, high speed and high load are considered in the model.
null Li Rui +2 more
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